Education
He studied medicine and natural sciences in Berlin, Heidelberg and Munich, obtaining his Doctor of Philosophy in 1903 as a student of Karl Ritter von Goebel at Munich.
He studied medicine and natural sciences in Berlin, Heidelberg and Munich, obtaining his Doctor of Philosophy in 1903 as a student of Karl Ritter von Goebel at Munich.
He was the binomial authority of many species within the family Cactaceae. While still a student, he participated in a scientific journey to Mexico and the West Indies (1899–1900). Following graduation, from 1903 to 1907, he was involved in an extended expedition to India, Australia and Samoa.
In 1908 he began work as an assistant at the botanical museum in Berlin-Dahlem, where in 1921 he became a curator.
In 1926 he was awarded with the title of professor The genus Vaupelia was named in his honor by botanist August Brand (1863–1930).